QBackingStorePrivate Class Reference

Collaboration diagram for QBackingStorePrivate:

Public Member Functions
	QBackingStorePrivate (QWindow *w)
qreal	backingStoreDevicePixelRatio () const
qreal	deviceIndependentToNativeFactor () const

Public Attributes
QWindow *	window
QPlatformBackingStore *	platformBackingStore = nullptr
QScopedPointer< QImage >	highDpiBackingstore
QRegion	staticContents
QSize	size
bool	downscale = qEnvironmentVariableIntValue("QT_WIDGETS_HIGHDPI_DOWNSCALE") > 0

Detailed Description

Definition at line 20 of file qbackingstore.cpp.

Constructor & Destructor Documentation

QBackingStorePrivate()

QBackingStorePrivate::QBackingStorePrivate ( QWindow * w )

inline

Definition at line 23 of file qbackingstore.cpp.

Member Function Documentation

backingStoreDevicePixelRatio()

qreal QBackingStorePrivate::backingStoreDevicePixelRatio ( ) const

inline

Definition at line 30 of file qbackingstore.cpp.

References downscale, and window.

Referenced by QBackingStore::beginPaint(), and deviceIndependentToNativeFactor().

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deviceIndependentToNativeFactor()

qreal QBackingStorePrivate::deviceIndependentToNativeFactor ( ) const

inline

Definition at line 41 of file qbackingstore.cpp.

References backingStoreDevicePixelRatio(), QHighDpiScaling::factor(), and window.

Referenced by QBackingStore::beginPaint(), QBackingStore::flush(), QBackingStore::resize(), and QBackingStore::scroll().

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Member Data Documentation

downscale

bool QBackingStorePrivate::downscale = qEnvironmentVariableIntValue("QT_WIDGETS_HIGHDPI_DOWNSCALE") > 0

Definition at line 53 of file qbackingstore.cpp.

Referenced by backingStoreDevicePixelRatio().

highDpiBackingstore

QScopedPointer<QImage> QBackingStorePrivate::highDpiBackingstore

Definition at line 50 of file qbackingstore.cpp.

Referenced by QBackingStore::beginPaint(), and QBackingStore::paintDevice().

platformBackingStore

QPlatformBackingStore* QBackingStorePrivate::platformBackingStore = nullptr

Definition at line 49 of file qbackingstore.cpp.

Referenced by QBackingStore::~QBackingStore(), and QBackingStore::handle().

size

QSize QBackingStorePrivate::size

Definition at line 52 of file qbackingstore.cpp.

Referenced by QBackingStore::resize(), and QBackingStore::size().

staticContents

QRegion QBackingStorePrivate::staticContents

Definition at line 51 of file qbackingstore.cpp.

Referenced by QBackingStore::hasStaticContents(), QBackingStore::resize(), QBackingStore::setStaticContents(), and QBackingStore::staticContents().

window

QWindow* QBackingStorePrivate::window

Definition at line 48 of file qbackingstore.cpp.

Referenced by backingStoreDevicePixelRatio(), deviceIndependentToNativeFactor(), QBackingStore::handle(), and QBackingStore::window().

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The documentation for this class was generated from the following file:

• qtbase/src/gui/painting/qbackingstore.cpp (cce303b6a70bfc5e7f191529724969ca7509039f)